MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Holding the steel component at just below the lower critical temperature transforms the _____ to globular cementite particles. |
| A. | perlite |
| B. | austenite |
| C. | martensite |
| D. | lignite |
| Answer» B. austenite | |
| 2. |
Spheroidal annealing produces globules of carbide in ferrite. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Stress relief annealing is applicable for _____ |
| A. | hypoeutectoid steel containing less than 0.4% carbon |
| B. | hypoeutectoid steel containing less than 1% carbon |
| C. | hypereutectoid steel containing less than 0.4% carbon |
| D. | high speed tool steel |
| Answer» B. hypoeutectoid steel containing less than 1% carbon | |
| 4. |
Stress relief annealing _____ |
| A. | decreases corrosion resistance |
| B. | relieves stress at the loss of strength |
| C. | improves corrosion resistance |
| D. | improves yield strength |
| Answer» D. improves yield strength | |
| 5. |
In stress relief annealing, steel is heated to a temperature between ______ |
| A. | 200 C to 250 C |
| B. | 300 C to 325 C |
| C. | 385 C to 440 C |
| D. | 500 C to 550 C |
| Answer» E. | |
| 6. |
Recrystallization annealing _____ |
| A. | improves ductility |
| B. | improves hardness |
| C. | decreases surface strain |
| D. | decreases strength |
| Answer» B. improves hardness | |
| 7. |
Recrystallization annealing is applied before _____ |
| A. | hot working |
| B. | cold working |
| C. | stress relieving |
| D. | full annealing |
| Answer» C. stress relieving | |
| 8. |
In recrystallization annealing process, steel component is heated at the temperature in the range______ |
| A. | 300 C to 400 C |
| B. | 455 C to 540 C |
| C. | 590 C to 660 C |
| D. | 625 C to 675 C |
| Answer» E. | |
| 9. |
Spheroidised annealing is used for ______ |
| A. | medium carbon steel |
| B. | hardened alloy steels |
| C. | tool steel |
| D. | stainless steel |
| Answer» C. tool steel | |
| 10. |
In thermal cycling stage of spheroidised annealing transforms _____ to ______ |
| A. | austenite to perlite |
| B. | cementite to carbide |
| C. | cementite from perlite to spheroidal |
| D. | cementite from ferrite to spheroidal |
| Answer» D. cementite from ferrite to spheroidal | |